In all our Yogas this renunciation is necessary. This is the stepping-stone and the real centre and the real heart of all spiritual culture - renunciation. This is religion - renunciation.
I think the Greeks first took astrology to India and took from the Hindus the science of astronomy and carried it back with them from Europe. Because in India you will find old altars made according to a certain geometrical plan, and certain things had to be done when the stars were in certain positions, therefore I think the Greeks gave the Hindus astrology, and the Hindus gave them astronomy.
Life is short, and therefore, one thing being certain, death, let us take up a great ideal, and give up the whole life to it. For what is the value of life, this vegetating little low life of man? Subordinating it to one high ideal is the only value that life has.
"The Kingdom of Heaven is within you." Where goest thou to seek for the Kingdom of God, asks Jesus of Nazareth, when it is there, within you? Cleanse the spirit, and it is there. It is already yours. How can you get what is not yours? It is yours by right. You are the heirs of immortality, sons of the Eternal Father.